Release 3.49.0 (#2743)
Release 3.49.0 (#2743)

* Add 3.49.0 changelog (#2734)

* v3.49.0

Co-authored-by: Riley Karson <1a773f0ad84731b4060512d017ba233db35a9279@google.com>
Co-authored-by: tf-release-bot <75ada95d871dcca86237fcab94575a31d1b359cf@hashicorp.com>
hashicorp/terraform-provider-google-beta,hashicorp/terraform-provider-google-beta,hashicorp/terraform-provider-google-beta,hashicorp/terraform-provider-google-beta